3 papers
hep-ex2021
Identification of new isomers in Ac : Impact on dark matter searches
K. W. Kim, G. Adhikari, E. Barbosa de Souza +50
We report the identification of metastable isomeric states of Ac at 6.28 keV, 6.67 keV and 20.19 keV, with lifetimes of an order of 100 ns. These states are produced by the…
astro-ph.IM2019
Study of cosmogenic radionuclides in the COSINE-100 NaI(Tl) detectors
E. Barbosa de Souza, B. J. Park, G. Adhikari +48
COSINE-100 is a direct detection dark matter search experiment that uses a 106 kg array of eight NaI(Tl) crystals that are kept underground at the Yangyang Underground Laboratory t…
astro-ph.IM2018
The First Direct Search for Inelastic Boosted Dark Matter with COSINE-100
C. Ha, G. Adhikari, P. Adhikari +45
A search for inelastic boosted dark matter (iBDM) using the COSINE-100 detector with 59.5 days of data is presented. This relativistic dark matter is theorized to interact with the…